Jul 5, 2016

Stimulating the brain can boost immunity: study

Artificially stimulating the brain’s feel-good center boosts immunity in mice in a way that could help explain the power of placebos, according to a new study. “Our findings indicate that activation of areas of the brain associated with positive expectations can affect how the ...

Jul 1, 2016

Hundreds of U.S. companies sell unapproved 'stem cell treatments'

Hundreds of companies across the United States are selling unapproved stem cell treatments directly to patients, raising concerns about safety and scams in a fast-growing industry, researchers said Thursday. At least 351 companies across the United States are marketing unapproved stem cell procedures at ...

Nose job: Smells are smart sensors' last frontier

Jun 23, 2016

Nose job: Smells are smart sensors' last frontier

Phones or watches may be smart enough to detect sound, light, motion, touch, direction, acceleration and even the weather, but they can’t smell. That’s created a technology bottleneck that companies have spent more than a decade trying to fill. Most have failed. A powerful ...

Jun 14, 2016

Bird brain? Study shows avian brains packed with neurons

Scientists have long been baffled by the smarts displayed by some birds with tiny brains. But a new explanation may turn the term “bird brain” on its head: Birds have more densely packed neurons in their brains than other animals, contributing to cognitive ability ...

Scientists propose project that includes making human DNA

Jun 3, 2016

Scientists propose project that includes making human DNA

Scientists proposed a long-term project Thursday that involves creating DNA blueprints for making human beings, a prospect some observers find troubling. The researchers said they have no intention of using these genomes — huge collections of genetic material — to make people. Instead, they ...